Finding the Fourth Proportional to 99,860,236.02, 137,797,456.50 and 62,678,631.06
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Solution
The fourth proportional to 99,860,236.02, 137,797,456.50 and 62,678,631.06 is: 86,490,441.85
Step by Step Solution
- Step 1: Write the proportion equation
99,860,236.02 : 137,797,456.50 = 62,678,631.06 : x - Step 2: Convert to fraction form
99,860,236.02/137,797,456.50 = 62,678,631.06/x - Step 3: Cross multiply
99,860,236.02x = 137,797,456.50 × 62,678,631.06 - Step 4: Simplify right side
99,860,236.02x = 8,636,955,936,969,899 - Step 5: Solve for x
x = 8,636,955,936,969,899/99,860,236.02 - Step 6: Final answer
x = 86,490,441.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.